- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT07636811
A Study to Evaluate Mivelsiran in Adult Participants With Early-Stage Down Syndrome-Associated Alzheimer's Disease (DS-AD)
A Phase 2, Multicenter, Randomized, Double-blind, Placebo-controlled Study, to Evaluate Efficacy, Safety, Tolerability, and Pharmacodynamics of Intrathecally Administered Mivelsiran in Adult Participants With Early-Stage Down Syndrome-Associated Alzheimer's Disease (DS-AD)
Studieoversikt
Status
Intervensjon / Behandling
Studietype
Registrering (Antatt)
Fase
- Fase 2
Kontakter og plasseringer
Studiekontakt
- Navn: Alnylam Clinical Trial Information Line
- Telefonnummer: 1-877-ALNYLAM
- E-post: clinicaltrials@alnylam.com
Studer Kontakt Backup
- Navn: Alnylam Clinical Trial Information Line
- Telefonnummer: 1-877-256-9526
- E-post: clinicaltrials@alnylam.com
Studiesteder
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Florida
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Maitland, Florida, Forente stater, 32751
- Rekruttering
- Clinical Study Site
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Naples, Florida, Forente stater, 34105
- Rekruttering
- Clinical Study Site
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Seville, Spania
- Rekruttering
- Clinical Trial Site
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Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
- Voksen
Tar imot friske frivillige
Beskrivelse
Inclusion Criteria:
- Clinical diagnosis of Down-Syndrome (DS) associated with trisomy 21
- Positive amyloid PET scan
- Cognitively stable in the opinion of the investigator
- Seizures must be well controlled with no occurrence of seizures in the 6 months prior to screening
Exclusion Criteria:
- Has severe intellectual disability (ID)
- Has a history of DS regression disorder
- Has alanine aminotransferase (ALT) or aspartate aminotransferase (AST) >2×upper limit of normal (ULN) at Screening
- Has estimated glomerular filtration rate (eGFR) <45 mL/min/1.73m^2 at Screening
- Has recently received an investigational agent
- Has had treatment with amyloid-targeting antibody
- Comorbidities such as obstructive sleep apnea and hypothyroidism that are not well controlled
Note: other protocol defined inclusion / exclusion criteria apply
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Primært formål: Behandling
- Tildeling: Randomisert
- Intervensjonsmodell: Parallell tildeling
- Masking: Firemannsrom
Våpen og intervensjoner
Deltakergruppe / Arm |
Intervensjon / Behandling |
|---|---|
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Eksperimentell: Mivelsiran (Treatment Group A)
Participants will be administered multiple low doses of mivelsiran.
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Mivelsiran will be administered intrathecally
Andre navn:
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Eksperimentell: Mivelsiran (Treatment Group B)
Participants will be administered multiple high doses of mivelsiran.
|
Mivelsiran will be administered intrathecally
Andre navn:
|
|
Placebo komparator: Placebo (Treatment Group C)
Participants will be administered multiple doses of placebo.
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Placebo vil bli administrert intratekalt
|
Hva måler studien?
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Double-Blind Period: Change from baseline in brain amyloid burden measured in centiloids (CLs)
Tidsramme: Up to 24 months
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Up to 24 months
|
Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Double-Blind Period: Change from baseline in APP protein concentration in cerebrospinal fluid (CSF)
Tidsramme: Up to 24 months
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Up to 24 months
|
|
Double-Blind Period: Change from baseline in the concentration of amyloid beta proteins in CSF
Tidsramme: Up to 24 months
|
Up to 24 months
|
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Double-Blind Period: Change from baseline in the concentration of tau proteins in plasma
Tidsramme: Up to 24 months
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Up to 24 months
|
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Double-Blind Period: Change from baseline on a cognitive scale
Tidsramme: Up to 24 months
|
Up to 24 months
|
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Double-blind Period and Open-label Extension (OLE) Period: Frequency of adverse events (AEs)
Tidsramme: Up to 36 months
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Up to 36 months
|
Samarbeidspartnere og etterforskere
Sponsor
Etterforskere
- Studieleder: Medical Director, Alnylam Pharmaceuticals
Studierekorddatoer
Studer hoveddatoer
Studiestart (Faktiske)
Primær fullføring (Antatt)
Studiet fullført (Antatt)
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Faktiske)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Faktiske)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Nøkkelord
Ytterligere relevante MeSH-vilkår
Andre studie-ID-numre
- ALN-APP-003
- 2025 (U.S. NIH-stipend/kontrakt: Faculty of Social Sciences Scientific Grant at the University of Gdańsk)
- 2025-523390-42-00 (Ctis)
Plan for individuelle deltakerdata (IPD)
Planlegger du å dele individuelle deltakerdata (IPD)?
IPD-planbeskrivelse
Access to Anonymized individual participant data that support these results is made available 12 months after study completion and not less than 12 months after the product and indication have been approved in the US and/or the EU.
Access to data may be declined where there is likelihood a patient could be identified or other feasibility issue, where there is a potential conflict of interest, a planned business activities or an actual or potential competitive risk. Data will be provided contingent upon the approval of a research proposal and the execution of a data sharing agreement. Timeframes for data access may vary and can take up to 6 months or more.
Requests for access to data can be submitted via the website www.vivli.org. Questions can also be directed to datasharing@alnylam.com.
Legemiddel- og utstyrsinformasjon, studiedokumenter
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